The Omniterm two-wire transmitter manufactured by Omniflex has SABS certification for use as a barrier in hazardous area installations, effectively meaning that one product now does the job of two: a standard two-wire transmitter plus an IS barrier. The implications are that huge savings are made on overall cost, panel space and installation time are reduced and system reliability is improved owing to fewer components in the loop.
The Omniflex TWTx (two-wire transmitter) eliminates the need for a barrier between the safe and hazardous areas as it is certified by the SABS for Ex ib operation. Available in thermocouple, RTD, mV and mA versions, the transmitters are widely used in both intrinsically safe and nonintrinsically safe applications. In particular, the petrochemical industry has been a ready market for the products now that the design is both a two-wire transmitter and a barrier.
The two-wire transmitter measures the process signal, provides 1500 V r.m.s. isolation and outputs a 4 to 20 mA loop to the PLC, PC or DCS on the same pair of wires that is used to power the device. With an accuracy and repeatability of better than 0,1% and an RFI immunity with protection from 20 MHz to 1 GHz, the Omniterm TWTx range has numerous applications in diverse industries.
Measuring only 20 mm across, it can be screwed to a flat panel or mounted on a DIN rail with built-in snap connectors. All wiring is via two-part removable connectors for quick and easy field replacement, which will also allow a test probe to be inserted for in-circuit monitoring, without breaking the loop.
Preserving a French heritage landmark Omniflex Remote Monitoring Specialists
Maintenance, Test & Measurement, Calibration
Omniflex supplied a remotely monitored impressed current cathodic protection system for the Perret Tower in Grenoble, a protected French heritage site, combining 24/7 corrosion protection with integrated surge protection against lightning strikes.
Read more...Lessons in long-distance telemetry Omniflex Remote Monitoring Specialists
Industrial Wireless Data Acquisition & Telemetry
Key engineering lessons from decades of deploying wireless telemetry systems in demanding industrial applications, covering network management, power constraints, physical challenges and the value of open, simplified architectures.
Read more...Long-distance signal delivery is critical to rail safety Omniflex Remote Monitoring Specialists
Fieldbus & Industrial Networking
A remote monitoring specialist explains why fibre optic technology is increasingly replacing copper cabling in safety-critical railway signalling systems.
Read more...Omniflex upgrades faulty alarms at cereal manufacturing facility Omniflex Remote Monitoring Specialists
Industrial Wireless
Legacy alarm specialist, Omniflex has delivered a direct retrofit solution for ageing MPAS 90 alarm systems at Kellanova’s Wrexham facility, replacing obsolete units with its SIL-1 rated Omni16R rack-based alarm logic, and Omni-X LED Displays.
Read more...No power, no coverage, no problem Omniflex Remote Monitoring Specialists
Industrial Wireless
Remote monitoring expert, Omniflex has delivered a remote monitoring and control solution for an impressed current cathodic protection control system, aiding local authorities in Queensland, Australia in the essential maintenance of roadside culverts.
Read more...Smart ICCP monitoring for safer tank storage Omniflex Remote Monitoring Specialists
Industrial Wireless
Cathodic protection is critical for combatting corrosion in oil and gas infrastructure. Omniflex explores how to manage CP systems in hazardous and hard-to-reach areas.
Read more...When SCADA meets the cloud Omniflex Remote Monitoring Specialists
SCADA/HMI
Engineers are faced with the challenge of unifying legacy SCADA systems with modern, IoT-based data platforms. The trouble is, when hardware from multiple manufacturers and generations are all used in the same system, compatibility becomes an issue
Read more...Cybersecurity for potentially explosive areas Phoenix Contact
IS & Ex
The Cellulink outdoor cellular router product range from Phoenix Contact is being extended. New versions are now also available that have been specially developed for use in Zone 2 potentially explosive areas.
Read more...Windows tablets for hazardous areas Extech Safety Systems
IS & Ex
i.safe Mobile has expanded its intrinsically safe product range with the launch of the IS945.x series rugged Windows tablets, designed for use in hazardous and demanding industrial environments.
Read more...Safety-critical fibre optic systems in mining Omniflex Remote Monitoring Specialists
Enclosures, Cabling & Connectors
Omniflex highlights the importance of fibre optic technology in in enabling systems in the mining industry to transmit shutdown commands reliably over tens of kilometres and verify that they have been executed.
While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.
printer friendly version